Abstract
We report a case of granulocyte-colony stimulating factor (G-CSF) producing urothelial carcinoma of the renal pelvis in a 39-year old man. The patient was admitted to Kobe University Hospital, Kobe, Japan, complaining of macrohematuria and a 6-month history of left abdominal swelling. Abdominal computed tomography showed a large mass in the left kidney and para-aortic lymph node enlargement. A remarkable degree of leukocytosis was detected without any acute infectious disease. Enzyme immunoassay of the serum demonstrated a remarkable high concentration of G-CSF. The patient underwent left nephroureterectomy and para-aortic lymphadenectomy. Histochemical examination revealed urothelial carcinoma. Immunohistochemical staining with an anti-G-CSF antibody demonstrated G-CSF secreting cells. The patient died 8 weeks after the surgical operation. To our knowledge, this is the second case of G-CSF producing urothelial carcinoma of renal pelvis reported in the English literature.
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